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The influence of rain on satellite link availability at Ku- and Ka-bands in Saudi Arabia

机译:降雨对沙特阿拉伯Ku和Ka波段卫星链路可用性的影响

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摘要

An assessment of rain attenuation on satellite link availabil- ity within Saudi Arabia at Ku- and Ka-bands is presented. The calculation of rain attenuation depends on a locally gen- erated rain map, which differs from the rain climatic regions established by the CCIR. The variation of rain attenuation at Ku- and Ka--bands with elevation angle is presented. Results of up and down link rain margins versus total system avail- ability are given for the Ku- and Ka-bands. A comparison with the predictions based on the current CCIR results shows that rain attenuation is underestimated significantly in some regions within Saudi Arabia.
机译:本文介绍了在Ku和Ka波段沙特阿拉伯内卫星链路可用性对降雨衰减的评估。降雨衰减的计算取决于本地生成的降雨图,这与CCIR建立的降雨气候区不同。给出了Ku和Ka波段降雨衰减随仰角的变化。给出了Ku和Ka波段的上行和下行雨裕度与总系统可用性的关系。与基于当前CCIR结果的预测结果的比较表明,沙特阿拉伯某些地区的降雨衰减被低估了。

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